2-Methylnon-2-en-4-one

Overview IFRA Request a quote

  • Identifiers

    CAS number
    2903-23-3

    Molecular formula
    C10H18O

    SMILES
    CCCCCC(=O)C=C(C)C

    Safety labels

  • Odor profile

    Fragrance
    Fruity 74.63%
    Herbal 69.74%
    Green 58.24%
    Earthy 55.12%
    Sweet 48.65%
    Mushroom 43.76%
    Ketonic 41.84%
    Spicy 41.01%
    Metallic 38.56%
    Mint 37.79%

     

    Flavor
    Herbal 51.35%
    Fruity 42.35%
    Green 36.63%
    Spicy 36.02%
    Sweet 35.98%
    Earthy 33.42%
    Mushroom 28.21%
    Floral 27.45%
    Woody 26.56%
    Dry 25.33%

     

    Odor impact est.
    High

  • Properties

    XLogP3-AA
    3.3

    pKa est.
    9.2 (weak base)

    Molecular weight
    154.25 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Moderate

    Boiling point est.
    208°C

    Flash point

    • 71.29 ˚C est.

  • Synonyms

    • 2-Methylnon-2-en-4-one
    • 2903-23-3
    • 2-METHYL-2-NONEN-4-ONE
    • EINECS 220-800-5
    • 2-Nonen-4-one, 2-methyl-
    • SCHEMBL454224
    • 2-Methyl-2-nonen-4-one #
    • DTXSID70183273
    • NS00028605
    • 2903-23-3

  • Applications

    2-Methylnon-2-en-4-one, CAS 2903-23-3, is primarily used as an intermediate in the synthesis of fragrance and aroma chemicals, and can serve as a fragrance note in personal care products; it is also considered a precursor for flavor applications in the food-related sector on a limited basis; in industrial settings, it can function as a building block for the synthesis of other functional compounds and for the development of materials such as polymers, plastics, and adhesives; it may also appear as a fragrance component in cleaning and household products.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 4787.28
    methanol 4622.12
    isopropanol 5001.79
    water 1.22
    ethyl acetate 2605.05
    n-propanol 4032.58
    acetone 4290.28
    n-butanol 4378.16
    acetonitrile 3016.0
    DMF 3191.87
    toluene 1215.12
    isobutanol 3672.83
    1,4-dioxane 4001.74
    methyl acetate 1803.82
    THF 5771.09
    2-butanone 2695.66
    n-pentanol 2708.16
    sec-butanol 4020.81
    n-hexane 2982.16
    ethylene glycol 557.97
    NMP 2614.16
    cyclohexane 2832.02
    DMSO 2228.66
    n-butyl acetate 3288.35
    n-octanol 1653.85
    chloroform 6899.44
    n-propyl acetate 1476.94
    acetic acid 3080.05
    dichloromethane 4553.63
    cyclohexanone 4828.67
    propylene glycol 1118.38
    isopropyl acetate 1687.04
    DMAc 1685.11
    2-ethoxyethanol 1494.54
    isopentanol 3566.89
    n-heptane 1467.41
    ethyl formate 1487.22
    1,2-dichloroethane 2890.93
    n-hexanol 4919.35
    2-methoxyethanol 2861.11
    isobutyl acetate 1051.25
    tetrachloromethane 1424.67
    n-pentyl acetate 1465.06
    transcutol 4787.7
    n-heptanol 1522.34
    ethylbenzene 791.23
    MIBK 1672.05
    2-propoxyethanol 3402.59
    tert-butanol 5341.19
    MTBE 3893.75
    2-butoxyethanol 1516.25
    propionic acid 2370.51
    o-xylene 711.77
    formic acid 614.75
    diethyl ether 3671.26
    m-xylene 866.15
    p-xylene 1018.48
    chlorobenzene 1698.29
    dimethyl carbonate 470.25
    n-octane 429.37
    formamide 614.58
    cyclopentanone 3785.02
    2-pentanone 2875.57
    anisole 1064.99
    cyclopentyl methyl ether 3144.97
    gamma-butyrolactone 3340.32
    1-methoxy-2-propanol 2390.21
    pyridine 2782.86
    3-pentanone 1701.76
    furfural 2205.68
    n-dodecane 240.94
    diethylene glycol 1490.37
    diisopropyl ether 1313.07
    tert-amyl alcohol 3821.41
    acetylacetone 1924.93
    n-hexadecane 274.9
    acetophenone 886.08
    methyl propionate 1430.67
    isopentyl acetate 2752.52
    trichloroethylene 5035.55
    n-nonanol 1313.1
    cyclohexanol 4324.51
    benzyl alcohol 936.63
    2-ethylhexanol 2433.22
    isooctanol 1125.59
    dipropyl ether 2586.92
    1,2-dichlorobenzene 1323.27
    ethyl lactate 558.26
    propylene carbonate 2013.91
    n-methylformamide 1506.5
    2-pentanol 3362.29
    n-pentane 1897.51
    1-propoxy-2-propanol 2748.85
    1-methoxy-2-propyl acetate 1677.64
    2-(2-methoxypropoxy) propanol 1153.65
    mesitylene 649.13
    ε-caprolactone 3199.53
    p-cymene 643.65
    epichlorohydrin 3329.6
    1,1,1-trichloroethane 3693.33
    2-aminoethanol 1379.9
    morpholine-4-carbaldehyde 2244.02
    sulfolane 3055.56
    2,2,4-trimethylpentane 493.45
    2-methyltetrahydrofuran 4812.85
    n-hexyl acetate 2414.28
    isooctane 471.72
    2-(2-butoxyethoxy)ethanol 1700.89
    sec-butyl acetate 1042.13
    tert-butyl acetate 1771.55
    decalin 724.57
    glycerin 1018.39
    diglyme 2586.59
    acrylic acid 1505.9
    isopropyl myristate 820.68
    n-butyric acid 4228.0
    acetyl acetate 1169.59
    di(2-ethylhexyl) phthalate 586.14
    ethyl propionate 1109.45
    nitromethane 2751.43
    1,2-diethoxyethane 2188.38
    benzonitrile 1545.09
    trioctyl phosphate 507.9
    1-bromopropane 2950.98
    gamma-valerolactone 3683.4
    n-decanol 912.92
    triethyl phosphate 511.91
    4-methyl-2-pentanol 1566.6
    propionitrile 2547.14
    vinylene carbonate 1626.66
    1,1,2-trichlorotrifluoroethane 2273.39
    DMS 901.17
    cumene 564.61
    2-octanol 1186.57
    2-hexanone 2109.71
    octyl acetate 1021.48
    limonene 1343.87
    1,2-dimethoxyethane 3036.63
    ethyl orthosilicate 560.76
    tributyl phosphate 639.46
    diacetone alcohol 1723.4
    N,N-dimethylaniline 796.36
    acrylonitrile 2071.93
    aniline 1427.83
    1,3-propanediol 2051.99
    bromobenzene 1810.09
    dibromomethane 3863.35
    1,1,2,2-tetrachloroethane 4633.57
    2-methyl-cyclohexyl acetate 1156.61
    tetrabutyl urea 801.41
    diisobutyl methanol 1178.32
    2-phenylethanol 1274.2
    styrene 932.64
    dioctyl adipate 909.4
    dimethyl sulfate 642.17
    ethyl butyrate 1488.95
    methyl lactate 691.86
    butyl lactate 1012.69
    diethyl carbonate 813.89
    propanediol butyl ether 1549.93
    triethyl orthoformate 999.03
    p-tert-butyltoluene 624.95
    methyl 4-tert-butylbenzoate 908.84
    morpholine 4967.2
    tert-butylamine 4260.88
    n-dodecanol 669.13
    dimethoxymethane 1713.22
    ethylene carbonate 1584.24
    cyrene 765.31
    2-ethoxyethyl acetate 1324.89
    2-ethylhexyl acetate 2044.42
    1,2,4-trichlorobenzene 1406.24
    4-methylpyridine 2883.52
    dibutyl ether 2251.57
    2,6-dimethyl-4-heptanol 1178.32
    DEF 2415.53
    dimethyl isosorbide 1666.86
    tetrachloroethylene 2933.48
    eugenol 865.67
    triacetin 1174.57
    span 80 1362.04
    1,4-butanediol 794.68
    1,1-dichloroethane 3991.6
    2-methyl-1-pentanol 2140.43
    methyl formate 1063.97
    2-methyl-1-butanol 3212.09
    n-decane 477.8
    butyronitrile 3958.57
    3,7-dimethyl-1-octanol 1491.85
    1-chlorooctane 1266.0
    1-chlorotetradecane 467.18
    n-nonane 582.8
    undecane 323.23
    tert-butylcyclohexane 690.14
    cyclooctane 743.47
    cyclopentanol 3584.4
    tetrahydropyran 6210.47
    tert-amyl methyl ether 2354.49
    2,5,8-trioxanonane 1594.88
    1-hexene 4246.59
    2-isopropoxyethanol 1249.87
    2,2,2-trifluoroethanol 681.3
    methyl butyrate 1744.1

    Scent© AI

1 4

IFRA standard 51

Recommendation
No restriction
Maximum acceptable concentrations in the finished product (%)
Category 1
Products applied to the lips
 No restriction Category 7A
Rinse-off products applied to the hair with some hand contact
 No restriction
Category 2
Products applied to the axillae
 No restriction Category 7B
Leave-on products applied to the hair with some hand contact
 No restriction
Category 3
Products applied to the face/body using fingertips
 No restriction Category 8
Products with significant anogenital exposure
 No restriction
Category 4
Products related to fine fragrance
 No restriction Category 9
Products with body and hand exposure, primarily rinse off
 No restriction
Category 5A
Body lotion products applied to the body using the hands (palms), primarily leave on
 No restriction Category 10A
Household care products with mostly hand contact
 No restriction
Category 5B
Face moisturizer products applied to the face using the hands (palms), primarily leave on
 No restriction Category 10B
Household care products with mostly hand contact, including aerosol/spray products (with potential leave-on skin contact)
 No restriction
Category 5C
Hand cream products applied to the hands using the hands (palms), primarily leave on
 No restriction Category 11A
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate without UV exposure
 No restriction
Category 5D
Baby Creams, baby Oils and baby talc
 No restriction Category 11B
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate with potential UV exposure
 No restriction
Category 6
Products with oral and lip exposure
 No restriction Category 12
Products not intended for direct skin contact, minimal or insignificant transfer to skin
 No restriction